Surly Pack Rat

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A Nimble Front Load-Carrying Bike

Pack Rat is specifically designed around porteur-style racks and front-loading optimization. Dedicated commuters, credit card tourers, and sweaty back people looking to ditch their backpack need look no further.

Having your stuff in front of you allows for better weight distribution, keeping the bike nimble and allowing you to more efficiently use your body English to steer from the rear. The drawback typically lies in how it affects the bike’s handling. Pack Rat’s front cargo-specific design eliminates those issues, leaving you wondering if you’re really even hauling any cargo at all.

  • Optimized for carrying front loads, complete bike includes front rack
  • Internal routing on fork for generator hubs
  • Frame sizes 38–50cm have clearance for 26’ x 2.0˝ tires. Frame sizes 52–58cm have clearance for 650b x 48mm tires (with or without fenders).


Frame Surly Pack Rat, Surly 4130 CroMoly steel.

Surly Pack Rat, Surly 4130 CroMoly steel. Main triangle double-butted. TIG-welded. ED coated

Fork Surly Pack Rat, 4130 CroMoly, lugged & brazed.

Surly Pack Rat, 4130 CroMoly, lugged & brazed. Sloping crown w/threaded eyelets, tapered & butted curved blades w/mid-blade rack eyelets, dual dropout eyelets

Seatpost Clamp Surly stainless, 30.0mm


Headset Cane Creek custom 5, 1-1/8"
Brakes Tektro CR720
Brake Levers Shimano Tiagra ST-4700
Shifters Shimano Tiagra ST-4700
Stem ProMax 31.8 4 bolt
Handlebar ProMax Flare-Out
Grip/Tape Black Cork
Saddle WTB Volt Sport
Seatpost ProMax 27.2 350L offset
Rack Surly 8-Pack Rack


Crankset Shimano FC-R460 48x34t
Bottom Bracket Shimano BB-RS500
Front Derailleur Shimano Tiagra FD-4700
Rear Derailleur Shimano Tiagra RD-4700 GS
Cog or cogset Microshift 10 spd, 11-34t
Chain KMC X10


Front Hub Formula RB-51 32h QR
Rear Hub Formula RB-52 32h QR
Rims Alex Adventurer 2, Tubeless Ready
Tires 26/650b- Panaracer Pasela 26x1.5, 650b x 42